TY - JOUR AU - Parrott, David TI - A Characterization of the Tits' Simple Group JO - Canadian journal of mathematics PY - 1972 SP - 672 EP - 685 VL - 24 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1972-063-0/ DO - 10.4153/CJM-1972-063-0 ID - 10_4153_CJM_1972_063_0 ER -